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December 19, 2014

December 19, 2014

Posted by **jen** on Sunday, March 23, 2008 at 2:58pm.

averaged 112 km/h while flying back into the same wind. Find the speed of the wind and the speed of

the plane in still air.

TIA

- algebra-word problem -
**Damon**, Sunday, March 23, 2008 at 4:16pmspeed out = 158 = v+w

speed back = 112 = v-w

add the two equations

2 v = 270

v = 135

w = 158 - 135 = 23

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